209430763460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1557

約数の個数: 96

約数和(自身を含む): 446562668160

約数和(自身を除く): 237131904700

約数列:

[1, 2, 4, 5, 10, 20, 139, 211, 278, 422, 556, 557, 641, 695, 844, 1055, 1114, 1282, 1390, 2110, 2228, 2564, 2780, 2785, 3205, 4220, 5570, 6410, 11140, 12820, 29329, 58658, 77423, 89099, 117316, 117527, 135251, 146645, 154846, 178198, 235054, 270502, 293290, 309692, 356396, 357037, 387115, 445495, 470108, 541004, 586580, 587635, 676255, 714074, 774230, 890990, 1175270, 1352510, 1428148, 1548460, 1781980, 1785185, 2350540, 2705020, 3570370, 7140740, 16336253, 18799889, 32672506, 37599778, 49628143, 65345012, 75199556, 75334807, 81681265, 93999445, 99256286, 150669614, 163362530, 187998890, 198512572, 248140715, 301339228, 326725060, 375997780, 376674035, 496281430, 753348070, 992562860, 1506696140, 10471538173, 20943076346, 41886152692, 52357690865, 104715381730, 209430763460]

約数ペア:

[(1, 209430763460), (2, 104715381730), (4, 52357690865), (5, 41886152692), (10, 20943076346), (20, 10471538173), (139, 1506696140), (211, 992562860), (278, 753348070), (422, 496281430), (556, 376674035), (557, 375997780), (641, 326725060), (695, 301339228), (844, 248140715), (1055, 198512572), (1114, 187998890), (1282, 163362530), (1390, 150669614), (2110, 99256286), (2228, 93999445), (2564, 81681265), (2780, 75334807), (2785, 75199556), (3205, 65345012), (4220, 49628143), (5570, 37599778), (6410, 32672506), (11140, 18799889), (12820, 16336253), (29329, 7140740), (58658, 3570370), (77423, 2705020), (89099, 2350540), (117316, 1785185), (117527, 1781980), (135251, 1548460), (146645, 1428148), (154846, 1352510), (178198, 1175270), (235054, 890990), (270502, 774230), (293290, 714074), (309692, 676255), (356396, 587635), (357037, 586580), (387115, 541004), (445495, 470108)]